package ch05.paper;


import java.awt.*;

/**
 * 灰色墨盒
 */
public class GreyInk implements Ink{
    @Override
    public String getColor(int red, int green, int blue) {
        int c=(red+green+blue)/3;
        Color color=new Color(c,c,c);
        return "#"+Integer.toHexString(color.getRGB()).substring(2);
    }
}
